[ntp:questions] Re: A utility called "S"?

David L. Mills mills at udel.edu
Fri Jan 2 06:11:32 UTC 2004


Peace! Those scripts were written twenty years ago when I was a young
man. Now in the modern time I repent dearly my misspent youth. The
scripts are easy to fix and so I will the adventure to you. Should you
so choose, please post your adventures so those evil old scripts can be
consigned to the god of IBM 704 punched card. And I punched a few of
those myself.


"Richard B. Gilbert" wrote:
> Thanks Dave,
> I've been using gawk to extract the records for each server and Gnuplot
> to plot offset, delay and dispersion for each day..  I stumbled across
> the awk scripts while trying to find a different awk script entirely
> with the intention of recycling pieces of it do some simple statistical
> studies that your scripts already do
> The existing summary.sh script does not appear to be entirely Y2K
> compliant;  if I'm reading it correctly, it's still looking for
> peerstats and clockstats in the 20th century.  It also appears to expect
> the stats files in the same directory where it and the awk scripts
> live.  I think I can fix that and, perhaps, also modify it to use
> Gnuplot.  I'll be happy to share if I can get it working.
> David L. Mills wrote:
> >Richard,
> >
> >Brace for a blast from the past. The S package was distributed some
> >years ago by AT&T (no kidding). It was quite a classy package and
> >produced wonderful publication documents on Sunses and allegedly
> >Windows. We used it here for awhile and it might even yet be available,
> >but real engineers now use Matlab. Every few months or so I make another
> >small step to overhaul the scripts for Matlab, but that ain't done yet.
> >Volunteers are always cherished.
> >
> >I built the statistics files especially friendly to common Unix tools.
> >The scripts are designed to bun once a week or so and produce summary
> >reports for usage statistics, general monitoring and fault detection.
> >There is also a little dormant project designed to watch the statistics
> >in real time and call a beeper if something goes wrong. The mind
> >boggles.
> >
> >Dave
> >
> >"Richard B. Gilbert" wrote:
> >
> >
> >>In .../ntp-4.2.0/scripts/stats/summary.sh we find:
> >># Process clockstat files with S and generate PostScript plots
> >>and
> >>S=/usr/local/bin/S
> >>
> >>While berivity may be the soul of wit, "S" is a little too brief to be
> >>useful unless you already know where to get it and how to use it.   I'm
> >>imagining trying to search the web for "S"....
> >>
> >>Can anyone spell this out for a poor newbie?
> >>
> >>Thanks
> >>
> >>

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